Banded semiconductor optical amplifier
US8964284B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2012 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Jul 30, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/5045
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A semiconductor optical amplifier module may include a beam splitter to split an optical signal into two polarization optical signals including a first polarization optical signal with a Transverse Magnetic (TM) polarization provided along a first path of two paths, and a second polarization optical signal with a Transverse Electric (TE) polarization provided along a second path of the two paths; a first rotator to rotate the TM polarization of the first polarization optical signal to TE polarization; a first semiconductor optical amplifier to amplify the rotated first polarization optical signal to output a first resultant optical signal; a second semiconductor optical amplifier to amplify the second polarization optical signal; and a second rotator to rotate the polarization of the amplified second polarization optical signal to output a second resultant optical signal; and a beam combiner to combine the first resultant optical signal and the second resultant optical signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.